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Technical Content

Technical Abstract
EAGE - European Association of Geoscientists and Engineers | Thierry Coleou, Laurene Michou, Jean-Luc Formento, Thierry Crozat, Rachel Holley, Celine Lacombe (CGG) ; Aurélien Péjout ©2022 EAGE | December

Time series are analysed to detect changes and predict future behaviour. Monitoring of the surface or subsurface in Geoscience provides such time series. As new data becomes available, changes of regime are detected. They should be identified as early as possible with as few ...

Technical Abstract
EAGE - European Association of Geoscientists and Engineers | Peipei Deng, Yoong Ern Lee, Min Wang, Jingyu Li, Barry Hung (CGG) ; Minkyun Kim, Shinwoong Kim, Kyoung-Jin Lee, C. Jeong (SK Earthon) ; M. Li, J. He (CNOOC) ©2022 EAGE | December

Solving fault shadow imaging problems has been a long-existing topic when heavy faults are present and the seismic imaging underneath is distorted. With full-waveform inversion (FWI), they are usually less of a concern when their depths are within diving wave penetration. However, beyond diving ...

Industry Article
GeoExpro | Jarrad Grahame ©2022 Geonova AS | December

CGG has undertaken a multi-phase, multi-year data enhancement and acquisition project, commencing with a major basin-scale reprocessing initiative (ReGeneration) and culminating in the completion of a new 3D acquisition and imaging project, completed in 2021. The new survey has provided expanded data coverage from ...

Industry Article
GeoExpro | Madhurima Bhattacharya, Harrison Moore ©2022 Geonova AS | December

Seismic imaging in the Kwanza Basin has historically proven to be challenging owing to its complex geology and the presence of deep pre-salt targets. CGG has recently re-imaged its Kwanza Basin multi-client data portfolio to benefit from new insights made possible by advanced proprietary ...

Industry Article
The Leading Edge | Ekaterina Kneller, Manuel Peiro, Ulisses Correia (CGG) ; Jose Manuel Única Pacheco, Pablo Villa Bayón (Repsol) ©2022 SEG | December

A continuing concern regarding presalt carbonate reservoirs offshore Brazil is how to derive accurate quantitative estimates of reservoir properties. It is challenging to understand the link between the facies model and the variation in elastic properties, recover a reliable model of elastic properties from ...

Industry Article
First Break | Gordon Poole, Milad Farshad, Zhaoyu Jin, Brandon Li ©2022 EAGE | December

Short-period multiple attenuation is often challenging as the multiple generators are typically not sufficiently well recorded as primary events for SRME to be successful. Model-based approaches have traditionally been used to circumvent this problem but may only model multiples generated by key events such ...

Industry Article
Frontiers in Earth Science | Gareth Rogers, Louise Hamdy, Amy McGarry, David Gold ©2022 Creative Commons Attribution License | November

This study is concerned with testing the application of Automated Mineralogy (AM), specifically QEMSCAN, to identify and quantify microplastic particles within a solid heterogeneous specimen, as an initial assessment of how this technique may be utilised in microplastic research and environmental monitoring. It utilises ...

Industry Article
First Break | David Gold, Niklas Heinemann, Robert Porjesz, Rebecca Bolton, Greg Rhodes, Pierre Roy, Edward Bunker (CGG) ; Matthew Booth (previously in CGG) ©2022 EAGE | October

Hydrocarbon energy resources have been extracted from the Earth for many decades using in-depth technical knowledge of its subsurface. With the need to achieve net zero goals, many traditional hydrocarbon companies are reducing the carbon intensity of their operations and investing in renewable energy ...

Industry Article
GeoExpro | Javier Martin ©2022 GeoPublishing Ltd | October

The recent world-class Baleine discovery within the Deep Tano Basin has attracted renewed exploration interest for the offshore Côte d’Ivoire. Its structural complexity and depositional stratigraphy, resulting from multiphase rifting of this basin, require high-quality seismic data to develop detailed geological models. To achieve ...

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